Questions that relate to the Advanced Configuration and Power Interface (ACPI) specification which provides an open standard for device configuration and power management by the operating system.

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3
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2k views

Error: “Fixing recursive fault, but reboot is needed” need to put acpi off

I having trouble with a Acer Aspire 2010. Whenever I boot, just one moment after grub I get the error "Fixing recursive fault, but reboot is needed". So I searched for it, and I found this workaround: ...
2
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0answers
213 views

ACPI on Asus NV56V Ubuntu 13.04

i'm rather new to ubuntu and just made a fresh install of ubuntu 13.04 alongside windows 8 on my new asus N56V, however i couldn't make it shut down, reboot or logout properly which i taught was odd, ...
2
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0answers
313 views

Is Mactel PPA good stuff for Macbook Pro 5,3 with Ubuntu 13.04?

The Mactel repository proposes some extra packages in order to run Ubuntu on Macbook computers. Mine is a Macbook Pro 5,3 (2009) running Ubuntu 13.04. The wiki page about the Mactel support seems to ...
2
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0answers
675 views

Dell Inspiron n5110 syslog ACPI warnings on Ubuntu 13.04

I just installed Ubuntu 13.04 and got a bunch of warnings in syslog: May 9 02:21:34 Dell kernel: [ 9.689651] ACPI Warning: 0x0000000000000428-0x000000000000042f SystemIO conflicts with Region ...
2
votes
0answers
650 views

Suspend on power button when session is locked

Is it possible to configure Ubuntu so that the power button causes suspend regardless of whether the session is locked or not? See here, for example. That configuration does not work, however, if the ...
2
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0answers
121 views

Why can't I poweroff my computer if it isn't connected to a power supply?

When my computer is not plugged in the poweroff function doesn't work. It just boots up after poweroff. Whenever I poweroff by the way of GUI clicking or typing command "poweroff" or "halt" , my ...
2
votes
0answers
126 views

How to manually power-on the webcam?

I have a Clevo laptop with a built in webcam, on the keyboard there's a helpful Fn+F10 hotkey that seems to power the device on and off. I'd like to have some control over the webcam without needing ...
1
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0answers
40 views

Computer reboots instead of shutdown, only after suspend

I have posted seen this on the Ubuntu forums (http://ubuntuforums.org/showthread.php?t=2175057), but its not drawing a solution there so I am posting here. Problem is when I shutdown my computer it ...
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0answers
74 views

How can I disable CPU C2 and C3 states options?

I have a DELL XPS 13 9333. As you can read here, it produces an annoying coil whine under some circumstances: http://en.community.dell.com/support-forums/laptop/f/3518/t/19538215.aspx Someone ...
1
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0answers
40 views

Unexpected Command Completion Code

I am getting the error xhci_hcd 0000:07:00.0 ERROR: unexpected command completion code 0x11 on Ubuntu 13.10. The error occurs when I resume my system from being suspended. It also happens on my tty ...
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0answers
66 views

Module acpi not found

My OS is 12.04, I'm not able to suspend and wake up my PC at given time, or better if I run sudo rtcwake -m mem -s 120 My PC enter suspend mode and the power-on light turns up after 2 minutes, but ...
1
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0answers
46 views

acpi-support script missing in rc.d

I've just had a look inside the directories /etc/init.d and /etc/rc.d . I have a 13.10 machine, upgraded from 13.04. Then I saw that this link was missing. S99acpi-support -> ...
1
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0answers
38 views

Debugging KGPE-D16 unable to load Ubuntu without ACPI=off

I have an ASUS KGPE-D16 with the latest BIOS (3201) and dual Opteron 6376 chips. I cannot begin the Ubuntu 12.04 installation process without disabling ACPI completely (intermediate activation ...
1
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0answers
655 views

Ubuntu 13.10 can't poweroff Acer Aspire E1-522

I have this Aspire brand new, Ubuntu is working 100% apart from shutdown, or better, it just can't poweroff. If I perform a verbose shutdown, I can see that everything works, kill processes, ...
1
vote
0answers
530 views

ACPI Warnings in logs

On Ubuntu 12.04.3 with kernel 3.8 this message appears in the kernel.log and the syslog. Sep 23 12:24:06 laptop-allard kernel: [ 6.988503] ACPI Warning: 0x0000000000000428-0x000000000000042f ...
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vote
0answers
194 views

acpi=off needed when BIOS graphics mode is switchable

I just flashed my laptops bios to newest version and now I have the option to define how i'd like to set my graphic mode. I have the option to check "integrated" and "switchable". The difference seems ...
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0answers
101 views

Why time taken to charge the laptop battery increases rapidly when it almost full?

When my laptop is charging at first it charges normally. But when its charged about 98% time remaining begins to increase why is this?
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0answers
623 views

Can not run Ubuntu 13.04 with ACPI

I am trying to install 64 bit Ubuntu 13.04 on a new system. I can only run Ubuntu with "acpi=off" option. This applies to both attempt to run Live USB and installed system. If I do not give "acpi=off" ...
1
vote
0answers
164 views

Ubuntu 12.10 overheating on S46CA

I bought a new notebook ASUS s46ca with Windows 8 preinstaled. And I noticed that the left side from the touchpad gets warm. In windows 8 it does not happen. I think that fan is running faster in ...
1
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0answers
269 views

How does hotkeys, lid close, suspend etc. work with Ubuntu on a newer Thinkpad Laptop?

I am trying to setup my Thinkpad T420 with xmonad as window manager and with as little gnome as possible. If I launch gnome-settings-manager all my hotkeys (disable touchpad, volume up/down, ...
1
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0answers
21 views

Is it possible to activate irq routing at runtime if it is disabled at boot?

I've had some kind of hardware failure on a laptop that requires me to boot with the kernel parameter acpi=noirq. This turns of my wifi. No good. Is there a way to turn it back on after boot? I tried ...
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0answers
448 views

Restart Trouble Ubuntu 12.10

I`ve installed Ubuntu 12.10 on 3 different machines: Acer AspireOne Netbook Lenovo T60 Notebook Desktop - P5P77 - Asus mainboard - I3 - porcessor I have the same issue on all of themm ...
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0answers
1k views

CPU Frequency Scaling methods *not* working Lubuntu 12.04

I've been trying to get CPU frequency scaling enabled on an old laptop (Celeron 530) running Lubuntu 12.04. I know this works in BIOS because it worked under Vista, and I can just get it working for ...
0
votes
0answers
23 views

Suspend to RAM not working

It used to be working in Xubuntu 13.04, now I'm using Ubuntu studio 13.10 and it doesn't switch off the fans. If I resume (press any keys, also Wake up Key) it goes back normally, but If I manually ...
0
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0answers
40 views

AC power plug/unplug events

Running Ubuntu Server 13.04 (kernel 3.8.0-19-generic)* . I want to react when AC power is applied or removed. I can query the state correctly either through acpi -b or cat ...
0
votes
0answers
19 views

acpi_listen doesn't detect events

I can run acpi_listen, then press all of the function keys (eg Fn+F5 to dim the screen backlight), but no events are reported in acpi_listen. How can I get acpi_listen to report the acpi events that ...
0
votes
0answers
140 views

Ubuntu 13.10 on Asus N550J : battery detected and charged, but laptop won't work without charger plugged

I recently installed Lubuntu (1st time user) on my Asus N550J laptop. I'm having a problem with the battery or the charger, I don't know for now; the battery is there and I presume it is detected : ...
0
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0answers
91 views

The microphone mute button does not work in Ubuntu 13.10 and 14.04 on my Lenovo Thinkpad T430S

The microphone mute button does not work in Ubuntu 13.10 and 14.04 on my Lenovo Thinkpad T430S. I know it has worked in the past on Ubuntu (last fall), but currently not. There's no output from ...
0
votes
0answers
11 views

Problem using acpi_call_GUI on dell inspiron N5110

I just installed acpi_call_GUI on my laptop using this guide. (In order to switch off discrete graphics at every boot) Now when i run the software , i click to install acpi_call. After that it asks me ...
0
votes
0answers
48 views

Network speed drop when not charging

I can surf the web when I am charging my laptop ,but when i pull my charger out to run on battery power, it looks like the internet speed drop to 0kb/s. I tried to turn acpi=off in grub.cfg this ...
0
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0answers
29 views

Battery applet when acpi=off

i had some trouble with bad internett connection when i pulled out my charger adapter. So i went into grub.cfg and and added acpi=off. I have tried to turn acpi on, and the applet comes back. but the ...
0
votes
0answers
13 views

not booting on battery - ubuntu 1204 on probook 4445s

There were no problems after initial installation till battery drained completely while the laptop was still on. After this, booting the computer on battery - with power cord disconnected causes ...
0
votes
0answers
65 views

Cannot install 13.10 past initial setup

I have an HP Pavilion g7. Intel i3 2.2ghz, Windows 7 Home Premium (64bit), 4gb RAM, 600gb hd. Trying to install Ubuntu 13.10 along side win7. Will happily provide more info if needed. Booting from ...
0
votes
0answers
47 views

Unable to disable all acpi events relating to lid

I want to disable all lid processes because sometimes my ThinkPads cannot wake from a blank screen after having lid closed. I have commented out everything in /etc/acpi/events/lidbtn but still the ...
0
votes
0answers
68 views

Fixing DSDT Tables for Satellite A200 2BH

Ubuntu 12.04 here, trying to follow this tutorial (in French, sorry about it but the code should speak for itself) to get sensors to work on a Satellite A200 2BH. First of all, I can't sudo cat ...
0
votes
0answers
211 views

I need acpi=off to boot, but this seems to disable wifi

To boot my computer, I have to use acpi=off in kernel options. Doing this apparently causes my wifi adapter to be switched off and prevents my mouse and USB keyboard to not work. If I change ...
0
votes
0answers
25 views

Ubuntu Server 12.10 sleeps?

I've installed Ubuntu Server 12.10 on my Dell SC1425 to work just with command prompts and no more: the use of this machine is to convert videos and upload them to Amazon Web Services via a shell ...
0
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0answers
236 views

Acpid: exiting (Ubuntu 13.04)

When I try to shut down my DELL XPS 15 I get the message: acpid: exiting. Why is that and what can I do to solve the problem?
0
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0answers
70 views

ACPI events not registering

After upgrading to linux-generic-lts-raring, the ACPI events on my laptop don't seem to firing the associated scripts. For example, closing the lid does not turn off the screen and suspend the ...
0
votes
0answers
122 views

Thinkpad T60p boots 12.04 & 13.04 from Live CD but panics when booting same from SSD

Strange problem has me stumped. Recently swapped out old HDD for new SSD on my T60p. Now can't seem to boot off it after installing either 12.04 or 13.04, but booting from Live CD with same those ...
0
votes
0answers
79 views

Patching DSDT causes Wiindows BIOS Error

I have a dual boot system on my Toshiba Satellite L645 with Windows 7 and Ubuntu 12.04 32-bit. Due to unknown reason (maybe software-updates) the battery_status in the status bar suddenly stopped ...
0
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0answers
163 views

lenovo y570 ubuntu

I have dual boot via wubi both windows 7 and ubunutu 12.04 with kernel 3.5 in my lenovo y570 ideapad. There was heating problem in linux with respect to optimus(discrete switchable technology) ...
0
votes
0answers
93 views

ACPI problem on 12.04 LTS and Compaq 6715b

After boot both cores run at 800 MHz, but during boot they run on 2GHz. And the hardware can't power off. I tried cpufrequtils and got some statistics, and another boot problem... 2.0 GHz, 1.8 GHz, ...
0
votes
0answers
460 views

sensors acpitz-virtual-0 temp3 after standby at 100.0°C

"sensors" will report 100.0°C on acpitz temp3 after standby mode. This temperature does not change any more. All other temperatures of acpitz module (and coretemp) will show suitable values and will ...
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0answers
319 views

wrong battery report on asus k45dr

I bought new asus laptop with series k45dr and there is something wrong the battery, it always show that it fully charged , even though i have used my computer for more than an hour then without ...
0
votes
0answers
47 views

hdd turning off and on during normal use, endlessly

3.9 kernel. custom. laptop-mode is installed. sysfsutils installed. laptop-mode starts on startup. sysfsutils have their files configured (processor p-states and frequencies/governor). after logging ...
0
votes
0answers
314 views

My ubuntu 13.04 x64 cann't do cold boot in battery?

I am using HP-Pavilion G6-2005ax, powered by AMD APU A8-4500M, 4GB RAM, 500 GB HDD and AMD Radeon HD7670M 1GB. I am using Ubuntu 13.04-amd64 version. While I am doing cold boot on battery, the Lap ...
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0answers
147 views

Why don't acpi settings take effect?

I was unable to adjust my screen brightness and i changed my grub settings. Now I can adjust, but when I disable screen dimming for example, it does not take effect and dims the screen. I changed the ...
0
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0answers
280 views

Fresh install of Ubuntu 12.10 won't boot on Asus 1225C

I've just finished installing 12.10 Desktop on my Asus 1225C (a fresh new install). Everything has gone well during the installation process but after the very first restart it stops booting and hangs ...
0
votes
0answers
232 views

Need kernel parameter 'acpi=noirq' after trying to install KDE + no networking

I have a Dell Inspiron duo. It used to work fine, but one day I tried to install KDE on 12.10. I left it sit for a bit while kde was installing (already past the point of choosing a display manager), ...